mod_saslauth: Collect SASL EXTERNAL failures into an util.error object
Will be easier than that concatenated string to extract info out of for
use elsewhere.
For full information on our dependencies, version requirements, and
where to find them, see https://prosody.im/doc/depends
If you have luarocks available on your platform, install the following:
- luaexpat
- luasocket
- luafilesystem
- luasec